feat: Rust skeleton

(cherry picked from commit 41a09289cda3137f96c69c69c924af34f0e64865)

flake.nix

@@ -3,7 +3,9 @@
 
   inputs = {
     flake-parts.url = "github:hercules-ci/flake-parts";
-    flake-parts.inputs.nixpkgs.follows = "nixpkgs";
+    flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+    nix-cargo-integration.url = "github:yusdacra/nix-cargo-integration";
+    nix-cargo-integration.inputs.nixpkgs.follows = "nixpkgs";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     pre-commit-hooks-nix.url = "github:cachix/pre-commit-hooks.nix";
     pre-commit-hooks-nix.inputs.nixpkgs.follows = "nixpkgs";
@@ -12,14 +14,27 @@
   outputs = inputs@{ self, flake-parts, ... }:
     flake-parts.lib.mkFlake
       { inherit inputs; }
-      {
+      ({ lib, ... }: {
         imports = [
           inputs.pre-commit-hooks-nix.flakeModule
+          inputs.nix-cargo-integration.flakeModule
+          ./rust/nci.nix
         ];
         systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
         perSystem = { config, self', inputs', pkgs, ... }: {
+
           pre-commit.settings.hooks.nixpkgs-fmt.enable = true;
+          pre-commit.settings.hooks.rustfmt.enable = true;
+          # Override to pass `--all`
+          pre-commit.settings.hooks.rustfmt.entry = lib.mkForce "${pkgs.rustfmt}/bin/cargo-fmt fmt --all --manifest-path ./rust/Cargo.toml -- --color always";
+
           devShells.default = pkgs.mkShell {
+            inputsFrom = [ config.nci.outputs.nix-bindings.devShell ];
+            nativeBuildInputs = [
+              pkgs.rust-analyzer
+              pkgs.nixpkgs-fmt
+              pkgs.rustfmt
+            ];
             shellHook = ''
               ${config.pre-commit.installationScript}
               echo 1>&2 "Welcome to the development shell!"
@@ -27,5 +42,5 @@
           };
         };
         flake = { };
-      };
+      });
 }